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Mitersaw Dust Collection

Collecting sawdust from some mitersaws is about as efficient as catching a thunderstorm in a shot glass. But the "big ol' bag" dust catcher that I built for my mitersaw collects about 90 percent of the debris. 

I started by making a 1-1/4 x 10 x 32" frame out of  1/2" hardwood, glued and screwed together, and stiffened by corner blocks. To install the frame, I made a couple of hardwood mounting brackets that tilt the frame back 20°, and attached them to the bottom of the frame.

If you decide to make one of these for your shop, you'll have to figure out the best method to install the frame behind your saw. For example, I C-clamped the brackets to my mitersaw's plywood subbase, as shown below, when I mounted the saw on my portable clamping workstation. Now that I have a dedicated mitersaw stand, I permanently attached the frame.

The frame should be centered behind the saw, and installed as close to the back of the saw as possible without interfering with the saw's operation. To catch the dust, I drape an ordinary 33-gallon trash bag through the frame and secure it with binder clips from the office-supply store. 

Joe Godfrey, Forest City, N.C.

Mega Dust Bag

If you like this project, please check out more than 1,000 shop-proven paper and downloadable woodworking project plans in the WOOD Store.

To learn more about dust collection solutions visit the Dust Collection Section in the WOOD Store


Comments (11)
jhernandez40712 wrote:

extend the sub-base to allowed a sliding miter saw

10/22/2015 12:07:00 PM Report Abuse
bjnew541 wrote:

How would this work with a sliding mitre?

4/27/2012 01:28:06 PM Report Abuse
nathanfi wrote:

Good idea for my radial saw sure it will work

4/7/2012 04:23:28 AM Report Abuse
lou hodson wrote:

I think this idea might be just the thing for my radial arm saw, as well as my miter saw.

3/15/2012 04:36:37 PM Report Abuse
rfarmer1000 wrote:

looks like it would pick up more than my dust collection hose to the dust collector, definitely worth a try, Thanks

10/22/2011 08:41:06 PM Report Abuse
lp4115487 wrote:

fantastic simple elegant and works great - Thanks Joat Turner

8/11/2011 01:00:06 PM Report Abuse
gimsfamily wrote:

Looks good will have to give it a try

6/21/2010 07:22:34 PM Report Abuse
tm239 wrote:

I have a small Mitersaw which I put on my work bench when I need to use it, and of coruse riged fifferent ways to collect the cuting waste. I tried your idea about the dust collection idea, and I put the bag under the legs of the saw and put 2 pieces of dowel vertically to hold open the bag. I must tell you this system works better then anything I've tried. Thanks Tom

3/6/2010 10:34:16 AM Report Abuse
retiredx2 wrote:

Great idea. I modified it slightly by mounting a small fan on one side to draw some of the air borne dust through a furnace filter positioned at the fan intake. I clean the filter with a shop vac when necessary. This set up is nearly as good as using the shop vac, and MUCH quiter; more convient also.

3/5/2010 10:40:48 AM Report Abuse
2gun wrote:

Great idea. Think I'll try it. Thanks.

3/4/2010 06:30:27 PM Report Abuse
The Fixer wrote:

Great idea :>)

3/4/2010 12:04:14 PM Report Abuse

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